<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        
        * {
            margin: 0;
            padding: 0;
            list-style: none;
            text-decoration: none;
        }

        .taiji {
            margin: 100px auto;
            position: relative;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1px solid #ccc;
            transform: rotate(0deg);
            transition: ease all 3s 0.1s;
        }
        .taiji:hover{
            transform: rotate(1080deg);
        }
        .son {
            width: 50%;
            height: 100%;
            position: absolute;
            top: 0;
        }

        .bai {
            background-color: white;
            left: 0;
            border-radius: 100% 0 0 100%/50% 0 0 50%;
        }

        .black {
            background-color: black;
            right: 0;
            border-radius: 0 100% 100% 0/0 50% 50% 0;
        }

        .text {
            width: 50%;
            height: 50%;
            border-radius: 50%;
            position: absolute;
        }

        .hei {
            background-color: white;
            top: 0;
            left: 25%;
        }

        .box {
            background-color: black;
            bottom: 0;
            left: 25%;
        }

        .span {
            width: 25%;
            height: 25%;
            border-radius: 50%;
            position: absolute;
            left: 37.5%;
        }

        .bad {
            background-color: black;
            top: 37.5%;
        }

        .top {
            background-color: white;
            margin-top: 37.5%;
        }

        
    </style>
</head>

<body>
    <div class="taiji">
        <div class="son bai"></div>
        <div class="son black"></div>
        <div class="text hei">
            <div class="span bad"></div>
        </div>
        <div class="text box">
            <div class="span top"></div>
        </div>
    </div>
</body>

</html>